Ford F 4EAT transmission

The F-4EAT was a 4-speed, electronically controlled automatic transmission developed by Mazda and JATCO starting in 1990. It was also later produced by Ford Motor Company from 1991 to 2003, to replace the aging, 3-speed/hydraulic controlled ATX. It is referred to as the F4A-EL by Mazda and Kia who also used this transmission. This transmission is an updated Mazda F3A transmission, 3 speed hydraulic controlled transmission. The F-4EAT uses electronic, computer controls, a 4th gear overdrive, has a lock up torque converter and differential. It used a computer-controlled speed sensor for the speedometer.